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Companies / Health Care / Starling Oncology, Inc.
STLN

Starling Oncology, Inc.

Health CareHealth Services
Ticker STLNCERRITOS, CAFiscal year ends DecemberBook value per share $-0.36Diluted shares 103.2M

The Oncology Institute, Inc. provides community-based cancer care and manages outpatient oncology services for patients, payors and other risk-bearing healthcare organizations. Its services include medical and radiation oncology, infusion care, specialty pharmacy, clinical trials, palliative care and 24/7 patient… From the company’s description.

Over the twelve months to Sep 30, 2026, Starling Oncology, Inc. reported revenue of $620.45M, up 34.6% from a year earlier, and a net loss of $35.54M. Its operating margin was −3.4%, and operations generated $23.10M in cash. In fiscal 2025, it reported revenue of $502.73M, up 27.8% from fiscal 2024, and a net loss of $60.61M.

Fiscal year 2025 · ends 12-31Changes are against fiscal 2024The amber dot is the latest twelve months, to 2026-09-30
Sales & profitability
$502.73MFY2025
+27.8% year over year
Last 12 mo $620.45M
-7.18%FY2025
+8.1 percentage points
Last 12 mo -3.39%
$-60.61MFY2025
+6.3% year over year
Last 12 mo $-35.54M
385.53%FY2025
+2187.2 percentage points
Last 12 mo 95.13%
Cash & financing
$-24.59MFY2025
+7.4% year over year
Last 12 mo $23.10M
$-27.79MFY2025
+8.4% year over year
Last 12 mo $18.83M
-4.92FY2025
Was 25.95× a year earlier
Last 12 mo -2.08
92.4MFY2025
+23.1% year over year
Last 12 mo 103.2M

Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.

What Starling Oncology, Inc. does

In the company’s own words

The Oncology Institute, Inc. provides community-based cancer care and manages outpatient oncology services for patients, payors and other risk-bearing healthcare organizations. Its services include medical and radiation oncology, infusion care, specialty pharmacy, clinical trials, palliative care and 24/7 patient support. The company combines fee-for-service care with value-based contracts, including capitation and fully delegated arrangements under which it may manage utilization, provider networks and claims as well as patient care. Its affiliated physician practices deliver care through company-managed clinics, while its managed services organization supports independent clinics and providers in its network. The company operates across five states, with 65 affiliated clinics, 81 independently owned contracted clinics and 198 unaffiliated network providers as of December 31, 2025; it managed approximately 2.0 million patients under value-based agreements. More than 46% of 2025 revenue came from patients covered by value-based contracts. Its website is www.theoncologyinstitute.com.

Company details
Sector
Health Care
Industry (SIC)
Health Services
Headquarters
CERRITOS, CA
Fiscal year end
December
CIK
1799191
SIC
8011

Financial performance, year by year

Fiscal 2020–2025 · USD
$-153.42M$57.63M$268.69M$479.74M$690.80M202020212022202320242025Last 12 moLast 12 monthsLast 12 months

The full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.

Ownership

Who owns Starling Oncology, Inc. — and what changed

Funds as of 2026Q2 · superinvestors as of 2026-06-30

106
funds hold it
0 of 35
superinvestors hold it
$54.90M
held by funds, at market

Largest fund holders · Starling Oncology, Inc.’s weight in each

VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.00%of fund net assets
iShares Russell 2000 ETF
IWM · iShares Trust
0.01%of fund net assets
VANGUARD EXTENDED MARKET INDEX FUND
VXF · VANGUARD INDEX FUNDS
0.00%of fund net assets
Fidelity Small Cap Index Fund
FSSNX · Fidelity Salem Street Trust
—of fund net assets
0.02%of fund net assets

Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.

Could not be determined for this company: bond issues.

Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.

Connected research

Put this business in context.

Compare this company with peers, find it in your funds and follow its financial history with your connected AI:

  • “How do Starling Oncology, Inc. and its peers compare on margins and cash generation over ten years?”
  • “Where did five years of Starling Oncology, Inc.'s earnings go — cash, debt, buybacks, reinvestment?”
  • “What changed in Starling Oncology, Inc.'s last four quarterly filings that the numbers alone won't show?”
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